| Acronym | Meaning |
| GMT | Greenwich Mean Time (repl. By UTC) |
| GEWEX | Global Energy And Water Cycle EXperiment (WCRP) |
| AO&SS | Atmospheric |
| FTS | Fourier Transform Spectrometer (HIS |
| STEP | Satellite Technology Education Program (WSGC) |
| CRIS | Cross-track Infrared Sounder |
| VAS | VISSR Atmospheric Sounder (launch |
| CFC | ChloroFluoroCarbon |
| GARS | GOES Archive And Retrieval System |
| CH4 | Methane |